Automation System
Most data transmission in the future will be:

carried over metallic telephone lines
analog in nature
digital bit stream encoded data
None of these
All of these

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Automation System
The SKETCHPAD system

All of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
is used for interactive Graphics
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
None of these

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Automation System
What is the process lag?

All of these
The lag in the error signal when the setpoint is changed.
None of these
The time it takes for the sensor to respond to a changed.
The time it takes for the mass of the process to respond to an input change.

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

Massachusetts Institute of Technology in 1963
Cranfield Institute of Technology, London, 1962
None of these
Imperial college of Science and Technology, London, 1973
University of Aston, Birmingham, 1960

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